Black Friday Sale - Save up to 60% Off RRP*
Shop now

Firm Mattresses

Firm mattresses offer solid, stable support - perfect for front and back sleepers. Find your open coil, memory foam or orthopaedic match today. Shop top UK brands like Silentnight and Sealy with free next day delivery and a 60-Night Comfort Trial.

1-20 of 69 products

Filters

1

Sealy Mellbreak Ortho Plus Mattress
4.6
4.6 out of 5 filled stars
1,614
Firm Icon
Firm
PostureTech Core Support Springs
Soft White Fibres
In the Sale
Up to 45% Off
From£285.11

RRP £519.00

Free Delivery
Silentnight Athens 1400 Mirapocket Ortho Mattress
4.6
4.6 out of 5 filled stars
664
Firm Icon
Firm
Mirapocket Springs
Eco Comfort Fibre
In the Sale
Up to 40% Off
From£244.16

RRP £407.00

Free Delivery
Sealy Posturepedic Elevate Blackwood Mattress
4.7
4.7 out of 5 filled stars
79
Firm Icon
Firm
AlignSupport Coil Springs
Reflex Foam
In the Sale
Up to 50% Off
From£616.61

RRP £1,299.00

Free Delivery
Romantica Serenade Ortho Mattress
4.5
4.5 out of 5 filled stars
816
Firm Icon
Firm
Traditional Open Coil Springs
Soft White Fibres
In the Sale
Up to 5% Off
From£142.09

Was £154.95

Free Delivery
Millbrook Wool Ortho 1000 Pillow Top Mattress
4.4
4.4 out of 5 filled stars
5
Firm Icon
Firm
Pocket Springs
Wool
In the Sale
Up to 50% Off
From£296.23

RRP £629.37

Free Delivery
SleepSoul Celest 3000 Pocket Pillow Top Mattress
5.0
5 out of 5 filled stars
1
New In
Firm Icon
Firm
Pocket Springs
Memory Foam
In the Sale
Up to 60% Off
From£464.71

RRP £1,184.99

Free Delivery
Harrison Spinks Knaresborough 3750 Pocket Ortho Mattress
4.5
4.5 out of 5 filled stars
32
Firm Icon
Firm
Pocket Springs
Wool
In the Sale
Up to 40% Off
From£642.52

RRP £1,079.00

Free Delivery
Silentnight Eco Comfort Airmesh 2000 Pillow Top Mattress
4.3
4.3 out of 5 filled stars
6
Firm Icon
Firm
Mirapocket Springs
Airmesh
In the Sale
Up to 10% Off
From£510.90

RRP £569.00

Free Delivery
Hypnos Marlow Ortho Deluxe Mattress
4.8
4.8 out of 5 filled stars
9
Firm Icon
Firm
Pocket Springs
Wool
In the Sale
Up to 60% Off
From£657.45

RRP £1,645.00

Free Delivery
Hypnos Hemsworth Support Mattress
4.6
4.6 out of 5 filled stars
34
Firm Icon
Firm
Pocket Springs
Cotton
In the Sale
Up to 50% Off
From£477.04

RRP £1,025.00

Free Delivery
Silentnight Healthy Growth Sleepy Eco Mattress
5.0
5 out of 5 filled stars
3
Firm Icon
Firm
Traditional Open Coil Springs
Eco Comfort Fibre
In the Sale
5% Off
Single£184.46

RRP £199.00

Free Delivery
Silentnight Rio Miracoil Cushion Top Mattress
4.6
4.6 out of 5 filled stars
627
Firm Icon
Firm
Miracoil Springs
Eco Comfort Fibre
In the Sale
Up to 20% Off
From£239.89

RRP £319.00

Free Delivery
Sleepeezee Deluxe 1000 Pocket Mattress
4.5
4.5 out of 5 filled stars
877
Firm Icon
Firm
Pocket Springs
Soft White Fibres
In the Sale
Up to 30% Off
From£267.45

RRP £399.00

Free Delivery
Relyon Cerrado 1000 Pocket Pillow Top Mattress
4.5
4.5 out of 5 filled stars
8
Firm Icon
Firm
Pocket Springs
Cashmere
In the Sale
Up to 40% Off
From£382.06

RRP £657.00

Free Delivery
Sleepeezee Ultimate Ortho 2000 Pocket Mattress
4.5
4.5 out of 5 filled stars
207
Firm Icon
Firm
Pocket Springs
Wool
In the Sale
Up to 35% Off
From£460.91

RRP £749.00

Free Delivery
Silentnight Healthy Growth Lunar Eco Memory Mattress
4.0
4 out of 5 filled stars
2
Firm Icon
Firm
Miracoil Springs
Eco Comfort Fibre
In the Sale
10% Off
Single£254.51

RRP £299.00

Free Delivery
Relyon Isabelle 2000 Pocket Mattress
5.0
5 out of 5 filled stars
1
Firm Icon
Firm
Pocket Springs
Wool
In the Sale
Up to 40% Off
From£413.63

RRP £717.00

Free Delivery
Relyon Prairie 1000 Pocket Mattress
5.0
5 out of 5 filled stars
3
Firm Icon
Firm
Pocket Springs
Soft White Fibres
In the Sale
Up to 40% Off
From£353.82

RRP £603.00

Free Delivery
Millbrook Wool Ortho 1000 Pocket Mattress
4.6
4.6 out of 5 filled stars
516
Firm Icon
Firm
Pocket Springs
Wool
Up to 40% Off
From£369.95

RRP £620.91

Free Delivery
Silentnight Memory 1000 Mirapocket Mattress
4.6
4.6 out of 5 filled stars
1,576
Firm Icon
Firm
Mirapocket Springs
Memory Foam
Up to 40% Off
From£247.28

RRP £419.00

Free Delivery
1-20 of 69 products
View All
prevnext
Mattress Online Logo